The Onset of Quark-Hadron Duality in Pion Electroproduction

Details The Onset of Quark-Hadron Duality in Pion Electroproduction The Onset of Quark-Hadron Duality in Pion Electroproduction

2006-08-18

arxiv.org/abs/hep-ph/0608214v3

Phys.Rev.Lett.98:022001,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 figures, accepted in Phys. Rev. Lett. Tables added

Scientific paper

10.1103/PhysRevLett.98.022001

A large data set of charged-pion electroproduction from both hydrogen and deuterium targets has been obtained spanning the low-energy residual-mass region. These data conclusively show the onset of the quark-hadron duality phenomenon, as predicted for high-energy hadron electroproduction. We construct several ratios from these data to exhibit the relation of this phenomenon to the high-energy factorization ansatz of electron-quark scattering and subsequent quark-to- pion production mechanisms.

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